[ https://issues.apache.org/jira/browse/HDFS-1112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12869846#action_12869846
]
Hadoop QA commented on HDFS-1112:
---------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12445114/editLogBuf3.patch
against trunk revision 946488.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 6 new or modified tests.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs warnings.
+1 release audit. The applied patch does not increase the total number of release audit
warnings.
+1 core tests. The patch passed core unit tests.
-1 contrib tests. The patch failed contrib unit tests.
Test results: http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h5.grid.sp2.yahoo.net/372/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h5.grid.sp2.yahoo.net/372/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h5.grid.sp2.yahoo.net/372/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h5.grid.sp2.yahoo.net/372/console
This message is automatically generated.
> Edit log buffer should not grow unboundedly
> -------------------------------------------
>
> Key: HDFS-1112
> URL: https://issues.apache.org/jira/browse/HDFS-1112
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 0.22.0
> Reporter: Hairong Kuang
> Assignee: Hairong Kuang
> Fix For: 0.22.0
>
> Attachments: editLogBuf.patch, editLogBuf1.patch, editLogBuf2.patch, editLogBuf3.patch
>
>
> Currently HDFS does not impose an upper limit on the edit log buffer. In case there are
a large number of open operations coming in with access time update on, since open does not
call sync automatically, there is a possibility that the buffer grow to a large size, therefore
causes memory leak and full GC in extreme cases as described in HDFS-1104.
> The edit log buffer should be automatically flushed when the buffer becomes full.
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